/*
* JTip
* By Cody Lindley (http://www.codylindley.com)
* Under an Attribution, Share Alike License
* JTip is built on top of the very light weight jquery library.
*/

//on page load (as soon as its ready) call JT_init
$(document).ready(JT_init);

function JT_init() {
    $("a.jTip")
			.hover(function () { JT_show(this.href, this.id, this.name) }, function () { $('#JT').remove() })
			.click(function () { return false });
}

function JT_show(url, linkId, title) {
    if (title == false) title = "&nbsp;";
    var de = document.documentElement;
    var w = self.innerWidth || (de && de.clientWidth) || document.body.clientWidth;
    var hasArea = w - getAbsoluteLeft(linkId);
    var clickElementy = getAbsoluteTop(linkId) - 18; //set y position

    var queryString = url.replace(/^[^\?]+\??/, '');
    var params = parseQuery(queryString);
    if (params['width'] === undefined) { params['width'] = 250 };
    if (params['link'] !== undefined) {
        $('#' + linkId).bind('click', function () { window.location = params['link'] });
        $('#' + linkId).css('cursor', 'pointer');
    }

    if (hasArea > ((params['width'] * 1) + 75)) {
        $("body").append("<div id='JT' style='width:" + params['width'] * 1 + "px'><div id='JT_arrow_left'></div><div id='JT_close_left'>" + title + "</div><div id='JT_copy'><div class='JT_loader'></div></div><span class='JT-bottom'>&nbsp;</span></div>"); //right side
        var arrowOffset = getElementWidth(linkId) - 0;
        var clickElementx = getAbsoluteLeft(linkId) + arrowOffset; //set x position
    } else {
        $("body").append("<div id='JT' style='width:" + params['width'] * 1 + "px'><div id='JT_arrow_right' style='left:" + ((params['width'] * 1) + 1) + "px'></div><div id='JT_close_right'>" + title + "</div><div id='JT_copy' class='right'><div class='JT_loader'></div></div><span class='JT-bottom-right'>&nbsp;</span></div>"); //left side
        var clickElementx = getAbsoluteLeft(linkId) - ((params['width'] * 1) - 0); //set x position
    }

    $('#JT').css({ left: clickElementx + "px", top: clickElementy + "px" });
    $('#JT').show();
    $('#JT_copy').load(url);

}

function getElementWidth(objectId) {
    x = document.getElementById(objectId);
    return x.offsetWidth;
}

function getAbsoluteLeft(objectId) {
    // Get an object left position from the upper left viewport corner
    o = document.getElementById(objectId)
    oLeft = o.offsetLeft            // Get left position from the parent object
    while (o.offsetParent != null) {   // Parse the parent hierarchy up to the document element
        oParent = o.offsetParent    // Get parent object reference
        oLeft += oParent.offsetLeft // Add parent left position
        o = oParent
    }
    return oLeft
}

function getAbsoluteTop(objectId) {
    // Get an object top position from the upper left viewport corner
    o = document.getElementById(objectId)
    oTop = o.offsetTop            // Get top position from the parent object
    while (o.offsetParent != null) { // Parse the parent hierarchy up to the document element
        oParent = o.offsetParent  // Get parent object reference
        oTop += oParent.offsetTop // Add parent top position
        o = oParent
    }
    return oTop
}

function parseQuery(query) {
    var Params = new Object();
    if (!query) return Params; // return empty object
    var Pairs = query.split(/[;&]/);
    for (var i = 0; i < Pairs.length; i++) {
        var KeyVal = Pairs[i].split('=');
        if (!KeyVal || KeyVal.length != 2) continue;
        var key = unescape(KeyVal[0]);
        var val = unescape(KeyVal[1]);
        val = val.replace(/\+/g, ' ');
        Params[key] = val;
    }
    return Params;
}

function blockEvents(evt) {
    if (evt.target) {
        evt.preventDefault();
    } else {
        evt.returnValue = false;
    }
}